Vacuum Circuit-Breaker 12kV pole-centre distance 210mm 31.5kA 2500A with 1st shunt release with varistor circuitry DC >= 60V voltage of closing solenoid DC 110V voltage of 1st shunt release DC 110V without 2nd release with operating cycle counter with motor operated stored- energy mechanism DC 110V auxiliary switch 6NO+6NC with 24-pole plug with mechanical interlocking motor and tripping on wired to lower plug part auxiliary switch not wired rating plate and operating instructions in English